Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 7

Waning Gibbous 86%

18:21

10:41

07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:43, Set: 15:52, Transit: 11:47. Moon - Rise: 18:21, Set: 10:41. Civil Dark: 16:31 - 07:04. Nautical Dark: 17:12 - 06:24. Astro Dark: 17:52 - 05:44

Total Clouds (% Sky Obscured)

97
99
96
93
95
92
92
96
81
100
100
93
82
85
95
97
99
100
100
100
100
100
98
100

Low Clouds (% Sky Obscured)

94
75
72
83
92
83
84
89
78
100
100
93
81
83
90
97
94
87
85
79
74
87
86
87

Medium Clouds (% Sky Obscured)

79
65
44
40
77
24
26
62
2
33
13
0
0
0
27
0
0
0
71
91
99
99
93
100

High Clouds (% Sky Obscured)

27
0
3
46
55
4
30
7
1
0
0
0
1
57
50
26
96
100
100
100
100
100
74
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
4
4
4
4
4
4
4
4
4
4
4
4
7
8
8
8
7

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
37
3
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain

Precipitation Probability (%)

0
0
5
5
7
22
11
6
1
1
6
5
0
0
2
0
2
0
0
0
0
4
40
77

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5

Wind Speed/Direction (mph)

3
3
2
4
4
4
4
4
3
2
2
2
2
2
3
2
3
3
3
3
4
4
4
5

Chance of Frost

Temperature (°C)

3
3
3
4
4
5
4
5
5
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4

Feels Like (°C)

0
1
0
1
2
3
2
2
2
2
2
2
2
2
2
1
2
2
1
2
1
1
2
2

Dew Point (°C)

1
2
2
3
3
4
4
4
4
4
4
4
4
4
4
3
4
4
3
3
3
3
3
4

Relative Humidity (%)

89
91
91
91
91
90
94
96
98
98
98
98
98
98
98
98
98
98
96
94
94
94
94
94

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016

Ozone (du)

300
294
293
293
295
295
295
297
298
297
291
286
285
283
281
279
277
276
275
272
270
270
269
268

Monday 8

Waning Gibbous 78%

19:48

11:14

07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:44, Set: 15:52, Transit: 11:48. Moon - Rise: 19:48, Set: 11:14. Civil Dark: 16:30 - 07:05. Nautical Dark: 17:12 - 06:25. Astro Dark: 17:52 - 05:45

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
88
94
97
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

92
100
100
100
100
100
98
92
91
91
86
85
86
90
96
99
88
96
96
100
93
85
88
99

Medium Clouds (% Sky Obscured)

99
86
66
73
74
32
0
0
66
22
12
18
52
74
99
85
100
79
100
58
62
67
69
75

High Clouds (% Sky Obscured)

100
100
81
83
35
54
85
87
100
72
65
83
81
100
93
100
100
100
100
100
100
98
100
100

ISS Passover

Visibility (miles)

4
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
2
2
2
5
7
7
5

Fog (%)

0
0
0
0
0
0
0
0
0
0
85
73
40
41
84
66
86
85
86
86
86
54
0
4

Precipitation Type

Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

80
64
39
12
4
1
0
1
4
5
8
3
0
1
5
4
4
27
87
95
82
57
35
12

Precipitation Amount (mm)

0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
1.2
0.5
0.2
0
0

Wind Speed/Direction (mph)

5
6
5
5
4
4
4
4
3
3
3
3
2
3
3
4
4
4
4
4
5
4
5
4

Chance of Frost

Temperature (°C)

4
5
5
5
5
6
6
6
6
6
6
6
7
6
6
6
6
6
6
7
7
7
6
6

Feels Like (°C)

1
3
2
2
3
4
4
4
5
4
4
5
5
4
4
4
4
4
4
4
4
4
4
4

Dew Point (°C)

4
5
5
5
5
6
6
6
6
6
6
6
7
6
6
6
6
6
6
6
6
6
6
6

Relative Humidity (%)

98
98
98
98
100
100
98
100
98
100
98
100
100
98
100
100
100
98
98
98
98
96
96
96

Pressure (mb)

1017
1017
1018
1018
1019
1019
1019
1020
1020
1021
1021
1021
1021
1022
1022
1022
1021
1021
1020
1020
1020
1020
1020
1020

Ozone (du)

268
269
270
275
278
280
278
277
279
278
279
281
284
285
286
289
293
296
303
306
310
309
311
312

Tuesday 9

Waning Gibbous 68%

21:12

11:36

07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:45, Set: 15:52, Transit: 11:48. Moon - Rise: 21:12, Set: 11:36. Civil Dark: 16:30 - 07:06. Nautical Dark: 17:12 - 06:25. Astro Dark: 17:52 - 05:46

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
99
100
100
100
100
100
100
100
100
92
53

Low Clouds (% Sky Obscured)

99
98
93
95
92
92
83
86
74
80
81
75
67
62
59
61
56
55
50
50
51
48
48
47

Medium Clouds (% Sky Obscured)

72
65
95
96
95
86
73
91
77
80
90
92
96
94
97
97
92
75
63
45
26
22
22
18

High Clouds (% Sky Obscured)

100
100
100
100
89
100
100
100
100
100
100
100
100
90
100
100
90
81
78
71
57
50
40
13

ISS Passover

Visibility (miles)

4
4
4
6
4
5
9
9
9
9
9
9
8
8
9
9
9
9
9
9
9
9
9
9

Fog (%)

38
45
74
86
86
85
66
0
0
0
0
0
36
36
36
36
36
36
36
36
36
36
36
36

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

12
8
7
6
16
16
11
15
13
20
44
56
45
41
26
34
31
21
12
10
9
8
8
7

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
5
5
5
5
4
3
3
3
3
3
2
2
2
2
3
3
3
2
2
2
3
2
2

Chance of Frost

Temperature (°C)

7
7
7
7
8
8
8
8
8
7
7
8
7
7
7
7
7
6
6
6
6
6
6
6

Feels Like (°C)

4
5
5
5
6
6
7
7
6
6
6
6
6
5
5
5
5
4
5
4
4
3
4
4

Dew Point (°C)

6
7
7
7
7
7
6
7
7
7
6
7
6
6
6
6
6
5
6
5
5
5
5
4

Relative Humidity (%)

96
98
96
94
93
93
88
88
93
96
94
94
94
94
94
94
94
93
94
93
91
91
91
91

Pressure (mb)

1020
1021
1021
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

313
313
312
310
306
305
301
299
297
296
294
292
291
294
300
298
295
291
288
286
284
282
280
280

Wednesday 10

Waning Gibbous 57%

22:30

11:52

07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 OK
14 OK
15 OK
16 OK
17 OK
18 OK
19 OK
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:46, Set: 15:52, Transit: 11:49. Moon - Rise: 22:30, Set: 11:52. Civil Dark: 16:30 - 07:07. Nautical Dark: 17:12 - 06:26. Astro Dark: 17:52 - 05:47

Total Clouds (% Sky Obscured)

53
54
72
60
53
51
42
30
20
25
29
33
37
41
45
50
50
52
53
64
100
100
100
99

Low Clouds (% Sky Obscured)

45
48
51
47
38
32
34
30
20
25
29
33
37
41
45
50
50
52
53
64
100
100
98
91

Medium Clouds (% Sky Obscured)

17
17
13
16
16
16
11
5
0
0
0
0
0
0
0
0
0
0
0
0
0
30
63
95

High Clouds (% Sky Obscured)

17
20
28
23
20
16
10
4
0
0
0
0
0
0
0
0
0
0
0
0
0
13
26
43

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

36
36
36
36
36
36
36
36
36
36
36
36
36
36
36
36
36
36
36
36
36
36
36
36

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

7
8
5
5
4
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
8
9

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

2
2
2
2
3
3
3
3
3
3
2
2
2
3
3
3
3
3
3
2
2
2
2
2

Chance of Frost

Temperature (°C)

6
6
6
7
8
8
9
9
8
7
6
6
6
5
5
4
4
4
4
3
4
4
4
4

Feels Like (°C)

5
5
6
6
7
8
8
9
8
7
6
6
5
5
5
4
4
3
3
3
3
1
2
2

Dew Point (°C)

5
5
5
4
5
5
5
6
6
5
4
5
4
4
4
3
4
3
3
3
3
3
3
3

Relative Humidity (%)

91
93
91
85
81
79
78
80
85
88
88
90
90
91
91
91
94
94
94
94
96
94
94
94

Pressure (mb)

1020
1020
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1022
1023
1023
1023
1023
1024
1024
1024
1024
1024
1024
1024

Ozone (du)

279
279
279
279
279
280
280
280
279
278
277
278
278
278
278
279
280
280
281
282
283
281
281
281

Thursday 11

Third Quarter 47%

23:45

12:06

07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 OK
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:47, Set: 15:52, Transit: 11:49. Moon - Rise: 23:45, Set: 12:06. Civil Dark: 16:30 - 07:08. Nautical Dark: 17:12 - 06:27. Astro Dark: 17:52 - 05:47

Total Clouds (% Sky Obscured)

100
100
100
97
61
83
84
43
38
44
50
55
48
50
48
50
48
41
47
48
48
49
51
53

Low Clouds (% Sky Obscured)

97
91
83
78
61
66
60
43
38
44
50
55
48
50
48
50
48
41
47
48
43
39
39
39

Medium Clouds (% Sky Obscured)

89
83
77
45
16
43
48
3
0
1
3
2
5
2
0
12
19
18
12
7
1
0
0
0

High Clouds (% Sky Obscured)

36
25
20
15
0
0
0
0
0
2
2
2
0
0
0
0
1
1
7
12
18
21
21
12

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

36
36
36
36
36
36
36
36
36
36
36
36
36
36
36
36
36
36
36
36
36
36
36
36

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

26
32
36
29
21
5
5
5
4
3
2
2
6
5
1
2
2
0
3
4
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

2
2
2
2
1
1
1
1
2
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1

Chance of Frost

Temperature (°C)

4
4
4
4
5
6
6
6
6
4
4
4
4
3
3
3
2
2
2
2
2
2
2
2

Feels Like (°C)

2
2
2
3
3
6
5
5
6
5
5
4
4
3
3
4
3
3
3
3
3
2
2
2

Dew Point (°C)

3
4
3
3
4
4
4
4
5
3
3
3
3
2
2
2
1
1
1
1
0
-1
-1
-2

Relative Humidity (%)

96
96
94
93
90
88
85
86
93
94
93
94
94
94
94
93
93
91
91
89
88
86
83
78

Pressure (mb)

1024
1025
1025
1026
1025
1025
1025
1025
1025
1026
1026
1026
1026
1025
1025
1026
1025
1025
1025
1025
1025
1025
1025
1025

Ozone (du)

278
279
280
284
291
297
301
302
298
297
293
293
293
292
292
292
292
292
292
293
295
297
297
297

Friday 12

Waning Crescent 37%

00:56

12:17

07 Bad
08 Bad
09 OK
10 Bad
11 Bad
12 Bad
13 Bad
14 OK
15 OK
16 OK
17 OK
18 OK
19 Bad
20 OK
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 OK
03 OK
04 OK
05 OK
06 OK

Sun - Rise: 07:48, Set: 15:52, Transit: 11:50. Moon - Rise: 00:56, Set: 12:17. Civil Dark: 16:30 - 07:09. Nautical Dark: 17:12 - 06:28. Astro Dark: 17:52 - 05:48

Total Clouds (% Sky Obscured)

50
49
45
51
53
55
52
47
43
41
36
31
39
46
53
52
51
49
40
34
26
29
31
30

Low Clouds (% Sky Obscured)

36
36
36
32
29
26
17
9
0
5
10
14
19
24
29
28
27
26
24
22
23
29
31
30

Medium Clouds (% Sky Obscured)

2
8
13
11
8
5
17
29
42
37
36
31
24
12
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

4
1
0
1
0
3
2
2
6
5
3
1
4
7
10
2
2
2
2
1
1
1
1
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

36
36
36
36
36
36
36
36
36
36
36
36
36
36
36
36
36
36
36
36
36
36
36
36

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

2
2
2
3
2
2
2
2
2
2
3
3
3
3
3
3
3
3
3
2
2
2
2
2

Chance of Frost

Temperature (°C)

2
2
3
3
4
5
6
5
5
4
3
3
3
2
2
2
2
2
2
2
1
1
1
1

Feels Like (°C)

2
1
1
-1
1
2
2
4
5
5
4
3
4
1
2
1
1
1
1
0
0
0
1
1

Dew Point (°C)

-2
-2
-3
-4
-3
-2
-1
-1
0
1
0
0
1
-0
0
0
0
1
0
0
-0
-1
-1
-1

Relative Humidity (%)

76
73
68
64
63
62
61
66
72
77
80
83
88
86
88
89
89
91
89
89
89
88
88
88

Pressure (mb)

1025
1026
1026
1026
1026
1026
1025
1025
1025
1026
1026
1026
1026
1026
1027
1027
1027
1027
1027
1027
1027
1026
1026
1026

Ozone (du)

297
297
297
297
298
298
298
298
297
297
296
296
295
296
298
299
299
299
299
299
298
297
296
296

Saturday 13

Waning Crescent 35%

02:07

12:29

07 OK
08 OK
09 OK
10 OK
11 OK
12 OK
13 OK
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 OK

Sun - Rise: 07:49, Set: 15:52, Transit: 11:50. Moon - Rise: 02:07, Set: 12:29. Civil Dark: 16:30 - 07:10. Nautical Dark: 17:12 - 06:29. Astro Dark: 17:52 - 05:49

Total Clouds (% Sky Obscured)

28
29
33
29
27
27
43
57
71
72
69
65
60
55
50
50
45
35

Low Clouds (% Sky Obscured)

28
29
33
29
27
26
42
56
71
72
69
65
60
55
50
50
45
35

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
8
13

High Clouds (% Sky Obscured)

1
1
1
0
0
0
1
2
4
10
17
23
19
14
11
21
31
35

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

36
36
36
36
36
36
36
36
36
36
36
36
36
36
36
36
36
36

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
1
3
3
2
3
4
4
3

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

2
2
2
2
1
1
2
2
2
2
3
4
4
5
5
5
5
6

Chance of Frost

Temperature (°C)

1
2
3
3
4
4
5
5
4
3
3
2
2
2
2
1
2
1

Feels Like (°C)

1
2
1
1
2
2
3
6
5
5
4
4
4
2
2
2
2
2

Dew Point (°C)

-1
-1
-1
-2
-1
-2
-1
-1
-1
-0
-0
-0
0
-0
1
0
1
0

Relative Humidity (%)

88
83
77
71
69
66
63
68
73
77
80
83
86
86
89
91
93
91

Pressure (mb)

1026
1027
1027
1027
1027
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026

Ozone (du)

295
295
296
296
295
294
294
292
291
290
291
292
293
294
295
295
294
293

Forecast for Proruby, Náchod District, Czech Republic (50.48,15.96)

Generated: 07/12/25 07:03:58. Forecast: 07/12/25 to 13/12/25. Timezone: UTC+1.00